Dive Brief:
- Volvo Trucks and Mack Trucks are the latest OEMs to announce diesel exhaust fluid inducement software updates, according to July 27 press releases.
- Both Volvo Group brands are installing the updated software on newly manufactured trucks and plan to extend the benefits to all post-2010 models by the end of 2027.
- The announcements come weeks after the U.S. Environmental Protection Agency proposed eliminating DEF-related engine derates and vehicle speed restrictions on newly manufactured heavy-duty trucks.
Dive Insight:
Volvo and Mack are joining Daimler Truck North America and Paccar in easing diesel exhaust fluid inducement strategies for in-service vehicles as the industry responds to the EPA’s proposed emissions rule changes.
The updated software gives fleet additional time to address DEF system issues before trucks enter engine derate or forced reduced-speeds, helping drivers reach a repair facility while minimizing operational disruptions.
"By extending the repair window and increasing the final inducement speed, we are helping drivers keep their trucks on the road and safely reach a service location, reducing the risk of unexpected downtime and supporting the uptime and productivity our customers depend on every day,” said Volvo Trucks North America President Peter Voorhoeve, in the release.
Volvo has been producing D13 VGT and D13TC engines with the updated software since May 2026, and many recently built vehicles have already received the update via remote downloads.
Mack has also begun installing the software on its new Anthem and Pioneer models powered by MP13 engines. By the end of the summer, the company expects to make the updates available for all 2024 and newer vehicles.
“Providing customers with practical solutions that support both compliance and operational efficiency remains a priority for Mack,” said Jonathan Randall, president of Mack Trucks North America, in the release.
